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Corson County, South Dakota

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Corson County Data

County Seat: McIntosh
Year Organized: 1909
Square Miles: 2,473

The county was named for Dighton Corson, a native of Maine, who came to the Black Hills in 1876, and in 1877 began practicing law at Deadwood. 

The entire county lies within the Standing Rock Indian Reservation, which also includes Sioux, Ziebach, and Dewey counties. The Lakota people reside primarily in the South Dakota part of the reservation; the Yanktonai and Dakota live in that part in North Dakota. The Grand River, a tributary of the Missouri River, runs through the reservation.

Cities: McIntosh (county seat) * McLaughlin
Town: Morristown *
Census-designated places:  
Bullhead * Little Eagle
Unincorporated Communities:  
Keldron * Trail City * Wakpala * Walker * Watauga

County Records


Types of Data We're Looking to Post Online
Send transcribed biographies, obituaries, vital records, census records, newspaper gleanings, military records,
or if you have walked cemeteries and have transcribed those names and dates,and any other type of data you think would be helpful to researchers

If you have data that you would like to have posted on this website, please Contact Us.


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South Dakota is in the Upper Midwest States of :
North Dakota, South Dakota, Minnesota, Wisconsin, Michigan

Surrounding Counties

Sioux County, North Dakota - north
Adams County, North Dakota - northwest
Campbell County - east
Walworth County - southeast
Dewey County - south
Ziebach County - southwest
Perkins County - west


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